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| author | Shuxin Yang <shuxin.llvm@gmail.com> | 2013-10-27 03:08:44 +0000 |
|---|---|---|
| committer | Shuxin Yang <shuxin.llvm@gmail.com> | 2013-10-27 03:08:44 +0000 |
| commit | 69bd41dfe33f24414be281ba5e2204b7348c33ae (patch) | |
| tree | d27a491b8bbcfd934d23ff82ddaa8323f8dc590d /lib/Analysis/BasicAliasAnalysis.cpp | |
| parent | 2d60c0945102e6887fcdc752a7b714546afae354 (diff) | |
| download | llvm-69bd41dfe33f24414be281ba5e2204b7348c33ae.tar.gz llvm-69bd41dfe33f24414be281ba5e2204b7348c33ae.tar.bz2 llvm-69bd41dfe33f24414be281ba5e2204b7348c33ae.tar.xz | |
Revert r193251 : Use address-taken to disambiguate global variable and indirect memops.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193489 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis/BasicAliasAnalysis.cpp')
| -rw-r--r-- | lib/Analysis/BasicAliasAnalysis.cpp | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/lib/Analysis/BasicAliasAnalysis.cpp b/lib/Analysis/BasicAliasAnalysis.cpp index 4e423a787c..bf929690ae 100644 --- a/lib/Analysis/BasicAliasAnalysis.cpp +++ b/lib/Analysis/BasicAliasAnalysis.cpp @@ -1238,17 +1238,6 @@ BasicAliasAnalysis::aliasCheck(const Value *V1, uint64_t V1Size, return NoAlias; if (isEscapeSource(O2) && isNonEscapingLocalObject(O1)) return NoAlias; - - // If one object is a global variable without address taken, the other one - // is a different object, they will not alias because the global variable - // in question cannot be indirectly accessed. - if (const GlobalVariable *GV = dyn_cast<GlobalVariable>(O1)) - if (!GV->AddressMaybeTaken()) - return NoAlias; - - if (const GlobalVariable *GV = dyn_cast<GlobalVariable>(O2)) - if (!GV->AddressMaybeTaken()) - return NoAlias; } // If the size of one access is larger than the entire object on the other |